Britney Jean Spears (born December 2, 1981) is a Grammy Award-winning, American pop singer, dancer, songwriter, actress, and author. Her debut album ... Baby One More Time propelled her to international stardom in 1999. It spawned the Billboard topping single "...Baby One More Time". She released her second studio album Oops!... I Did It Again in 2000 with continued success. A third album Britney was released in 2001, followed by the release of her fourth album In the Zone in 2003. The album's breakout single "Toxic" won Spears her first Grammy Award. After the release of a remix album and a career break, she released her fifth album Blackout in 2007.
According to Zomba Label Group, Spears has sold over 83 million records worldwide. The RIAA ranks her as the eighth best-selling female artist in American music history, having sold 31 million albums in the U.S. Spears's fame in the music industry has led her to experiment with other forms of media, including film and television. Most noted for her starring role in the 2002 movie Crossroads, Spears has also made guest appearances in various movie and television programs. Her success as a singer led her to several high-profile advertising deals and endorsements, including her own perfume line.
Her marriage to Kevin Federline in 2004 received much publicity, as did the birth of her first child, Sean Preston, in 2005 and her second child, Jayden James, in 2006. The couple's divorce in November of the same year was highly publicized, followed by an ongoing legal battle for the custody of their two children.